Dolphin-Head Nebula in Narrowband HOO 21h 15m

Here is a shot of SH2-308 also designated as Sharpless 308 or Dolphin-Head nebula about 8 degrees south of Sirius in the Constellation Canis Major.Processed with Astro Pix Processor using the Combine RGB tool from created masters to blend into a HOO narrowband image.

The workflow continued in Pixinsight with Star,Blur and Noise X Terminator suite along with the script Stars Back followed up with Statisticial Stretch brightness and contrast.